Bill Nelson (born William Nelson, 18 December 1948, Wakefield, West Riding of Yorkshire, England) is an English singer, guitarist, songwriter, producer, painter, video artist, writer and experimental musician. He rose to prominence as the chief songwriter, vocalist and guitarist of the rock group Be-Bop Deluxe in the 1970s. Nelson has been called "one of the most underrated guitarists of the seventies art rock movement". In 2015, he was recognised with the Visionary award at the Progressive Music Awards. He currently lives in York.

Born to Jean & Walter Nelson, the latter being a musician, he also had a younger brother Ian and two children Elle and Elliot who were likewise involved in music. Ian(1956–2006) collaborated on the Be-Bop Deluxe song "Ships in the Night" and formed the band Fiat Lux